Finding the Fourth Proportional to 5,443.50, 7,512.04 and 3,085.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.50 : 7,512.04 = 3,085.86 : x
2. Step 2: Convert to fraction form
   5,443.50/7,512.04 = 3,085.86/x
3. Step 3: Cross multiply
   5,443.50x = 7,512.04 × 3,085.86
4. Step 4: Simplify right side
   5,443.50x = 23,181,103.75
5. Step 5: Solve for x
   x = 23,181,103.75/5,443.50
6. Step 6: Final answer
   x = 4,258.49